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| #!/bin/sh | |
| # | |
| # Copyright © 2015-2021 the original authors. | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # https://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # | |
| ############################################################################## | |
| # | |
| # Gradle start up script for POSIX generated by Gradle. | |
| # | |
| # Important for running: | |
| # | |
| # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is | |
| # noncompliant, but you have some other compliant shell such as ksh or | |
| # bash, then to run this script, type that shell name before the whole | |
| # command line, like: | |
| # | |
| # ksh Gradle | |
| # | |
| # Busybox and similar reduced shells will NOT work, because this script | |
| # requires all of these POSIX shell features: | |
| # * functions; | |
| # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», | |
| # «${var#prefix}», «${var%suffix}», and «$( cmd )»; | |
| # * compound commands having a testable exit status, especially «case»; | |
| # * various built-in commands including «command», «set», and «ulimit». | |
| # | |
| # Important for patching: | |
| # | |
| # (2) This script targets any POSIX shell, so it avoids extensions provided | |
| # by Bash, Ksh, etc; in particular arrays are avoided. | |
| # | |
| # The "traditional" practice of packing multiple parameters into a | |
| # space-separated string is a well documented source of bugs and security | |
| # problems, so this is (mostly) avoided, by progressively accumulating | |
| # options in "$@", and eventually passing that to Java. | |
| # | |
| # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, | |
| # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; | |
| # see the in-line comments for details. | |
| # | |
| # There are tweaks for specific operating systems such as AIX, CygWin, | |
| # Darwin, MinGW, and NonStop. | |
| # | |
| # (3) This script is generated from the Groovy template | |
| # https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt | |
| # within the Gradle project. | |
| # | |
| # You can find Gradle at https://github.com/gradle/gradle/. | |
| # | |
| ############################################################################## | |
| # Attempt to set APP_HOME | |
| # Resolve links: $0 may be a link | |
| app_path=$0 | |
| # Need this for daisy-chained symlinks. | |
| while | |
| APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path | |
| [ -h "$app_path" ] | |
| do | |
| ls=$( ls -ld "$app_path" ) | |
| link=${ls#*' -> '} | |
| case $link in #( | |
| /*) app_path=$link ;; #( | |
| *) app_path=$APP_HOME$link ;; | |
| esac | |
| done | |
| # This is normally unused | |
| # shellcheck disable=SC2034 | |
| APP_BASE_NAME=${0##*/} | |
| APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit | |
| # Use the maximum available, or set MAX_FD != -1 to use that value. | |
| MAX_FD=maximum | |
| warn () { | |
| echo "$*" | |
| } >&2 | |
| die () { | |
| echo | |
| echo "$*" | |
| echo | |
| exit 1 | |
| } >&2 | |
| # OS specific support (must be 'true' or 'false'). | |
| cygwin=false | |
| msys=false | |
| darwin=false | |
| nonstop=false | |
| case "$( uname )" in #( | |
| CYGWIN* ) cygwin=true ;; #( | |
| Darwin* ) darwin=true ;; #( | |
| MSYS* | MINGW* ) msys=true ;; #( | |
| NONSTOP* ) nonstop=true ;; | |
| esac | |
| CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar | |
| # Determine the Java command to use to start the JVM. | |
| if [ -n "$JAVA_HOME" ] ; then | |
| if [ -x "$JAVA_HOME/jre/sh/java" ] ; then | |
| # IBM's JDK on AIX uses strange locations for the executables | |
| JAVACMD=$JAVA_HOME/jre/sh/java | |
| else | |
| JAVACMD=$JAVA_HOME/bin/java | |
| fi | |
| if [ ! -x "$JAVACMD" ] ; then | |
| die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME | |
| Please set the JAVA_HOME variable in your environment to match the | |
| location of your Java installation." | |
| fi | |
| else | |
| JAVACMD=java | |
| which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. | |
| Please set the JAVA_HOME variable in your environment to match the | |
| location of your Java installation." | |
| fi | |
| # Increase the maximum file descriptors if we can. | |
| if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then | |
| case $MAX_FD in #( | |
| max*) | |
| # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. | |
| # shellcheck disable=SC3045 | |
| MAX_FD=$( ulimit -H -n ) || | |
| warn "Could not query maximum file descriptor limit" | |
| esac | |
| case $MAX_FD in #( | |
| '' | soft) :;; #( | |
| *) | |
| # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. | |
| # shellcheck disable=SC3045 | |
| ulimit -n "$MAX_FD" || | |
| warn "Could not set maximum file descriptor limit to $MAX_FD" | |
| esac | |
| fi | |
| # Collect all arguments for the java command, stacking in reverse order: | |
| # * args from the command line | |
| # * the main class name | |
| # * -classpath | |
| # * -D...appname settings | |
| # * --module-path (only if needed) | |
| # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. | |
| # For Cygwin or MSYS, switch paths to Windows format before running java | |
| if "$cygwin" || "$msys" ; then | |
| APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) | |
| CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) | |
| JAVACMD=$( cygpath --unix "$JAVACMD" ) | |
| # Now convert the arguments - kludge to limit ourselves to /bin/sh | |
| for arg do | |
| if | |
| case $arg in #( | |
| -*) false ;; # don't mess with options #( | |
| /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath | |
| [ -e "$t" ] ;; #( | |
| *) false ;; | |
| esac | |
| then | |
| arg=$( cygpath --path --ignore --mixed "$arg" ) | |
| fi | |
| # Roll the args list around exactly as many times as the number of | |
| # args, so each arg winds up back in the position where it started, but | |
| # possibly modified. | |
| # | |
| # NB: a `for` loop captures its iteration list before it begins, so | |
| # changing the positional parameters here affects neither the number of | |
| # iterations, nor the values presented in `arg`. | |
| shift # remove old arg | |
| set -- "$@" "$arg" # push replacement arg | |
| done | |
| fi | |
| # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. | |
| DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' | |
| # Collect all arguments for the java command; | |
| # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of | |
| # shell script including quotes and variable substitutions, so put them in | |
| # double quotes to make sure that they get re-expanded; and | |
| # * put everything else in single quotes, so that it's not re-expanded. | |
| set -- \ | |
| "-Dorg.gradle.appname=$APP_BASE_NAME" \ | |
| -classpath "$CLASSPATH" \ | |
| org.gradle.wrapper.GradleWrapperMain \ | |
| "$@" | |
| # Stop when "xargs" is not available. | |
| if ! command -v xargs >/dev/null 2>&1 | |
| then | |
| die "xargs is not available" | |
| fi | |
| # Use "xargs" to parse quoted args. | |
| # | |
| # With -n1 it outputs one arg per line, with the quotes and backslashes removed. | |
| # | |
| # In Bash we could simply go: | |
| # | |
| # readarray ARGS < <( xargs -n1 <<<"$var" ) && | |
| # set -- "${ARGS[@]}" "$@" | |
| # | |
| # but POSIX shell has neither arrays nor command substitution, so instead we | |
| # post-process each arg (as a line of input to sed) to backslash-escape any | |
| # character that might be a shell metacharacter, then use eval to reverse | |
| # that process (while maintaining the separation between arguments), and wrap | |
| # the whole thing up as a single "set" statement. | |
| # | |
| # This will of course break if any of these variables contains a newline or | |
| # an unmatched quote. | |
| # | |
| eval "set -- $( | |
| printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | | |
| xargs -n1 | | |
| sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | | |
| tr '\n' ' ' | |
| )" '"$@"' | |
| exec "$JAVACMD" "$@" | |